Starting January 2026, Microsoft Teams will enforce messaging security by default—blocking dangerous files, flagging malicious links, and requiring IT admins to act or accept new protections.
On December 20, 2025, a global Microsoft Teams outage caused widespread messaging delays and service interruptions. Our investigation reveals the risks of cloud dependency and the urgent need for backup communication plans.
A major Microsoft Teams outage left organizations worldwide struggling with message delays and communication breakdowns. Our investigation reveals the timeline, impact, and lingering questions from this unprecedented disruption.
A sweeping outage has left Microsoft Teams users worldwide grappling with message delays and service disruptions. As Microsoft investigates, experts question the resilience of essential digital tools.
Microsoft Teams is rolling out a powerful new report to alert administrators about suspicious messaging activity with external domains, aiming to prevent data leaks and cyber threats as cross-company collaboration grows.
Microsoft Teams has launched a powerful new feature allowing users to report suspicious or malicious calls directly in the app. By combining user reports with automated threat detection, Teams aims to stop social engineering and call spoofing attacks before they spread.
A Chinese APT group known as Silver Fox is poisoning search results to distribute fake Microsoft Teams installers, targeting Chinese-speaking users with malware while using clever misdirection to evade detection.
A dramatic new cyberattack uses social engineering on Microsoft Teams and QuickAssist to deliver fileless .NET malware, evading detection and exploiting trusted workplace tools.
Microsoft Teams’ guest access feature lets attackers bypass security, exposing organizations to stealthy cyber threats. Learn the risks and what experts recommend to stay protected.
A hidden flaw in Microsoft Teams guest chat lets hackers bypass security and deliver malware. Here’s how the attack works, why it matters, and what companies should do next.